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// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The SFC licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License.  You may obtain a copy of the License at
//
//   http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied.  See the License for the
// specific language governing permissions and limitations
// under the License.

import { registerCommandEmitter } from '../../../src/code-export/register'

describe('Register', () => {
  describe('Command Emitters', () => {
    it('should register a new command emitter', () => {
      const emitters = {
        blah: 'blah',
      }
      const command = 'foo'
      const emitter = 'bar'
      registerCommandEmitter({ command, emitter, emitters })
      expect(emitters).toEqual({ blah: 'blah', foo: 'bar' })
    })
    it('should throw when trying to overwrite an existing command emitter', () => {
      const emitters = {
        blah: 'blah',
      }
      const command = 'blah'
      const emitter = 'blah'
      expect(() => {
        registerCommandEmitter({ command, emitter, emitters })
      }).toThrow()
    })
  })
})
